Home / 13,104,870.40-19,657,305.60-11,971,129.60

Finding the Fourth Proportional to 13,104,870.40, 19,657,305.60 and 11,971,129.60

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Solution

The fourth proportional to 13,104,870.40, 19,657,305.60 and 11,971,129.60 is: 17,956,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104,870.40 : 19,657,305.60 = 11,971,129.60 : x
  2. Step 2: Convert to fraction form
    13,104,870.40/19,657,305.60 = 11,971,129.60/x
  3. Step 3: Cross multiply
    13,104,870.40x = 19,657,305.60 × 11,971,129.60
  4. Step 4: Simplify right side
    13,104,870.40x = 235,320,152,924,405.78
  5. Step 5: Solve for x
    x = 235,320,152,924,405.78/13,104,870.40
  6. Step 6: Final answer
    x = 17,956,694.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.